Draw the FBD for the entire structure, and count the unknowns. (2) Draw the FBD for each of the members, and count the total number of unknowns.

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Slope and Deflection

The slope in a deflected beam is described as an angle in radians made by the tangent of the section with the original axis of the beam. The deflection at any point on the axis of the beam is defined as the lateral displacement of the point before and after loading.